document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=123565>Question 123565</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A vat contains 100 l of a 40% solution.  How much acid must be added to increase the acidity to 60%? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #90643 by </B><A HREF=/tutors/aboutme.mpl?userid=chitra><B>chitra(359)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=chitra><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=90643\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> [40%][100 Liters ] + {100% }(x) = ( 60%)(100 + x )\r<BR>\n" );
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document.write( "again, x = amount of pure acid...\r<BR>\n" );
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document.write( "40 + x = 60 + .60x\r<BR>\n" );
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document.write( "0.40x = 20 ..... \r<BR>\n" );
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document.write( "x = 50L </SPAN>\n" );
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